Analysis
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max time kernel
51s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
13-04-2023 12:02
Static task
static1
Behavioral task
behavioral1
Sample
z0Transferslip.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
z0Transferslip.exe
Resource
win10v2004-20230220-en
General
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Target
z0Transferslip.exe
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Size
692KB
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MD5
523420934008337bc65cd0ee6a40adbf
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SHA1
6e21b99481d21aab127e702a7b6a4582255ed18e
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SHA256
8bdb93748c95f7288c8e062db2c2ebff27e89c6e0f031f1c527016d5140f37b2
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SHA512
098fdae6e0265663ff49b30f3685a509bd997207bb818f6d4f837b4ec7a6e02c65d7286500e8ecdde9bf0fa167e4b3be6ff1173bdc479c49fff1af6cc2f19264
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SSDEEP
12288:ntwI0pW48+hNknKT7GJejOtysczjLdhys//HzrgML3OEfKvajdC8Qi5fliadEIP1:9617GJrYvXLdhys3TrgMrOEff5C8Qi5L
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6192832133:AAF7C5Hu2cAny_oozlOAGw_7DWfvYVumEbE/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2016 set thread context of 1708 2016 z0Transferslip.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1868 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2016 z0Transferslip.exe 2016 z0Transferslip.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2016 z0Transferslip.exe Token: SeDebugPrivilege 1708 RegSvcs.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1868 2016 z0Transferslip.exe 27 PID 2016 wrote to memory of 1868 2016 z0Transferslip.exe 27 PID 2016 wrote to memory of 1868 2016 z0Transferslip.exe 27 PID 2016 wrote to memory of 1868 2016 z0Transferslip.exe 27 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1968 2016 z0Transferslip.exe 29 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 PID 2016 wrote to memory of 1708 2016 z0Transferslip.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\z0Transferslip.exe"C:\Users\Admin\AppData\Local\Temp\z0Transferslip.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XizZqQpvSyj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpABEA.tmp"2⤵
- Creates scheduled task(s)
PID:1868
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:1968
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5d8c808d118ea4534733aa068cad9a7a7
SHA175c10802736125e9e0a49c0a3390b9d5b9098064
SHA256c7af0eb13c0ad678a70e9590c83de8be386fb528b6bc67cb600f36cbb085f2b2
SHA512764cdcad509eca6433432b96b5b78cdbaf64ab32ee5ef9224953c244ae916549999be859d91292e89209acc809c14aa4a848bfd1f1a1e11fee59e08f1c192b9c